diff --git a/go.mod b/go.mod
index 4d75096..988f006 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,10 @@
 module github.com/emmansun/gmsm
 
-go 1.18
+go 1.23.0
+
+toolchain go1.23.3
 
 require (
-	golang.org/x/crypto v0.33.0
+	golang.org/x/crypto v0.35.0
 	golang.org/x/sys v0.30.0
 )
diff --git a/go.sum b/go.sum
index 945d7ad..ff90737 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,6 @@
 golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
 golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
+golang.org/x/crypto v0.35.0 h1:b15kiHdrGCHrP6LvwaQ3c03kgNhhiMgvlhxHQhmg2Xs=
+golang.org/x/crypto v0.35.0/go.mod h1:dy7dXNW32cAb/6/PRuTNsix8T+vJAqvuIy5Bli/x0YQ=
 golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
 golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=